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-rw-r--r--include/asm-v850/byteorder.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/include/asm-v850/byteorder.h b/include/asm-v850/byteorder.h
new file mode 100644
index 0000000..a6f0753
--- /dev/null
+++ b/include/asm-v850/byteorder.h
@@ -0,0 +1,48 @@
+/*
+ * include/asm-v850/byteorder.h -- Endian id and conversion ops
+ *
+ * Copyright (C) 2001 NEC Corporation
+ * Copyright (C) 2001 Miles Bader <miles@gnu.org>
+ *
+ * This file is subject to the terms and conditions of the GNU General
+ * Public License. See the file COPYING in the main directory of this
+ * archive for more details.
+ *
+ * Written by Miles Bader <miles@gnu.org>
+ */
+
+#ifndef __V850_BYTEORDER_H__
+#define __V850_BYTEORDER_H__
+
+#include <asm/types.h>
+#include <linux/compiler.h>
+
+#ifdef __GNUC__
+
+static __inline__ __attribute_const__ __u32 ___arch__swab32 (__u32 word)
+{
+ __u32 res;
+ __asm__ ("bsw %1, %0" : "=r" (res) : "r" (word));
+ return res;
+}
+
+static __inline__ __attribute_const__ __u16 ___arch__swab16 (__u16 half_word)
+{
+ __u16 res;
+ __asm__ ("bsh %1, %0" : "=r" (res) : "r" (half_word));
+ return res;
+}
+
+#define __arch__swab32(x) ___arch__swab32(x)
+#define __arch__swab16(x) ___arch__swab16(x)
+
+#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
+# define __BYTEORDER_HAS_U64__
+# define __SWAB_64_THRU_32__
+#endif
+
+#endif /* __GNUC__ */
+
+#include <linux/byteorder/little_endian.h>
+
+#endif /* __V850_BYTEORDER_H__ */
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